The mathematical term regularization has two main meanings, both associated with making a mathematical more 'regular' or smooth.

See:

• regularization (physics)
• regularization (mathematics)

In linguistics, regularization is the process of making irregular forms regular (e.g., "oxen" becomes "oxes;" "grew" becomes "growed").

Regularization is also the act of giving legal residency and identity documents to an illegal alien. See also naturalization (acquiring a new nationality).

Регуляризация